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Profibus PA Intrinsically Safe Panel Display for 8 Variables

Type:   BA488CF-P

Intrinsically Safe ATEX, FM, INMETRO, IECEx

6 Operator Pushbuttons

6 Optional Local Alarm Outputs

High Contrast Display with Backlight

IP66 Front Panel

The BA488CF-P Fieldbus Display is an intrinsically safe instrument that can display up to eight fieldbus process variables. Eleven selectable standard screen formats contain one, two, three, four or eight variables, with units of measurement, tag descriptions and bargraphs on some screens.

Powered by the fieldbus the BA488CF-P only requires a 2-wire connection, no additional power supply Zener barriers or galvanic isolators are required. The high contrast 86 x 45mm liquid crystal display incorporates a green backlight that is also powered from the fieldbus enabling the display to be read in all lighting conditions from full sunlight to total darkness.

Simple commissioning results from the use of standard display formats. Apart from loading the BA488CF-P configuration files onto the system host and selecting the fieldbus variables to be displayed, no programming is required. Configuration of the BA488CF-P Fieldbus Display is performed via the fieldbus and the instrument front panel push buttons.

ATEX, FM & IECEx intrinsic safety certification allows the BA488CF-P to be installed in gas hazardous areas worldwide. The two fieldbus terminals comply with the Fieldbus Intrinsic Safety Concept (FISCO) simplifying system design and documentation, although connection to non-FISCO intrinsically safe segments is possible using the entity concept. This allows a BA488CF-P to be directly connected to almost any hazardous fieldbus providing the segment can supply the 25mA consumed by the display.

Six optional local alarm outputs may be linked to any of the displayed variables. Each isolated single pole solid state output may be conditioned as a combined high and low alarm, or as just a high or low alarm. All the outputs comply with the requirements for simple apparatus allowing them to switch any certified intrinsically safe load such as a sounder, lamp or solenoid valve. Alarm configuration and the alarm set point adjustment is performed via the BA488CF-P front panel push buttons, as the local alarms are not accessible from the fieldbus system host

The six push buttons on the front of the instrument may be used for returning operator acknowledgments or controls to the fieldbus host. If larger industrial switches are required for these operator controls, up to six external push buttons may be connected to the BA488CF-P. When the external switches are activated, the front panel push buttons may be disabled or operated in parallel with the external switches.

Comprehensive documentation includes a PROFIBUS Interface Guide.

For field mounting applications see the BA484DF-P datasheet. This instrument has a similar electrical specification but is housed in a robust IP66 GRP enclosure suitable for external mounting.

Please specify if Certification Documents, Alarms or Tag Strip are required when ordering

Display
Type 120 x 64 pixel liquid crystal, Size 86.5mm x 45mm, Backlight Powered from fieldbus

Screens
Standard format 1, 2, 3, 4 or 8 variables plus bargraph can include: units of measurement , tag information

Controls
Front panel Six push buttons scroll the indicator display between screens when the BA488CF-P is configured to display more variables than fit onto a single screen. Also used to configure optional local alarms and may be used to return operator inputs to the system host.

External switches
Control may be transferred to six external switches; front panel buttons may be inhibited or operated in parallel. Switch cable 5m max length.

Fieldbus communication
Voltage 9 to 32V (Limited by intrinsic safety parameters), Current 25mA, Compliant with EC61158-2 31.25kbits/s Voltage Mode

Protocol
PROFIBUS PA

Function blocks
PROFIBUS PA 8 x AO (Analogue Output), 6 x DI (Digitl Input)

Intrinsic safety
Europe ATEX
Code Group II Category 1G Ex ia IIC T5 Ga (Tamb = -40C to 60C)

Cert. No.
ITS04ATEX22779X Special condition only apply for installations in Zone 0

 

Dimensions Drawing

 

Wiring Diagram